"use strict";
function doSomething(fn) {
    console.log(fn.description + "  " + fn(6));
}
function myFunc(someArg) {
    console.log(someArg);
}
//   函数的签名
myFunc.description = "default description";
doSomething(myFunc);
function descriptionAbleFn(fn) {
    fn("asdsadasdasd");
}
function descriptionAbleFn2(playload) {
    console.log(playload, "我是string");
    return playload;
}
descriptionAbleFn2.description = "sad";
descriptionAbleFn(descriptionAbleFn2);
